Laserfiche WebLink
i <br /> Seq uoia 1455 McDowell Blvd North Ste <br /> Petaluma CA 949544 <br /> (707)792-1865 <br /> Analytical FAX(707)792-0342 <br /> www sequoialabs com <br /> URS Corp-Sacramento Project Arco Site 6100,Tracy,CA P402493 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36619 Reported <br /> Sacramento CA,95833 Project Manager Jay Johnson 03/17/04 15 30 <br /> Volatile organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical- Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Lima Units Level Result %REC Limits RPD Limit Notes <br /> Batch 4020581-EPA 5030 soils <br /> Blank 4020581-BLK1 Prepared&Analyzed 02/26/04 <br /> Tert-amyl methyl ether ND 00010 mg/kg <br /> Benzene ND 00010 " <br /> Tort-butyl alcohol ND 0 020 <br /> Di-isopropyl ether ND 00010 " <br /> 1 2-Dibromoethane(EDB) ND 00010 " <br /> 1,2-Dichloroethane ND 00020 " <br /> Ethanol ND 010 " <br /> Ethylbenzene ND 00010 " <br /> Ethyl tert-butyl ether ND 0 0010 " <br /> Methyl tert-butyl ether ND 0 0010 <br /> Toluene ND 00020 " <br /> lenes(total) ND 0 0020 " <br /> ogale Dibromofluoromethane 00426 00380 112 81-126 <br /> Surrogate 1 2-Dichloroethane-d4 00414 00380 109 73-131 <br /> Surrogate Toluene-d8 0 0370 00380 97 82-129 <br /> Laboratory Control Sample 4020581-BSl Prepared&Analyzed 02/26/04 <br /> Tert-amyl methyl ether 0 0563 0 0050 mg/kg 00500 113 74-126 <br /> Benzene 0 0580 0 0050 00500 116 75-123 <br /> Tert-butyl alcohol 0 899 0 10 1 00 90 66-129 <br /> Di-isopropyl ether 0 0656 00050 0 0500 131 71-127 QC07 <br /> 1,2-Dibromoethane(EDB) 0 0528 0 0050 00500 106 88-118 <br /> 1 2-Dichloroethane 0 0544 00050 00500 109 79-119 <br /> Ethanol 0 717 0 20 1 00 72 70-140 <br /> Ethylbenzene 0 0575 0 0050 00500 115 65-135 <br /> Ethyl tert-butyl ether 0 0572 0 0050 00500 114 72-123 <br /> Methyl tert-butyl ether 0 0599 00050 00500 120 70-125 <br /> Toluene 0 0483 00050 0 0500 97 76-123 <br /> Surrogate Dibromofluoromethane 00426 00380 112 81-126 <br /> Surrogate 12-Dichloroethane-d4 00406 00380 107 73-131 <br /> Surrogate Toluene-d8 0 0383 00380 101 82-129 <br /> oia Analytical -Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirely <br /> Page 16 of 25 <br />